Gateway NV-53A Service Guide - Page 125
Check the battery pack, Testing the touchpad - charger
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www.gateway.com Check the battery pack To check the battery pack using software: 1 Open Power Management in the Windows Control Panel. 2 In Power Meter, make sure that the parameters shown for Current Power Source and Total Battery Power Remaining are correct. 3 Repeat the steps 1 and 2, for both battery and adapter. This helps you identify first the problem is on recharging or discharging. To check the battery pack using hardware: 1 Turn off the notebook. 2 Remove the battery pack and measure the voltage between battery terminals 1 (+) and 6 (ground). 3 If the voltage is still less than 7.5 Vdc after recharging, replace the battery. Important To check the battery charge operation, use a discharged battery pack or a battery pack that has less than 50% of the total power remaining when installed in the notebook. If the battery status indicator does not light up, remove the battery pack and let it return to room temperature. Re-install the battery pack. If the charge indicator still does not light up, replace the battery pack. If the charge indicator still does not light up, replace the DC/DC charger board. Testing the touchpad If the touchpad doesn't work, do the following actions one at a time to correct the problem. To test the touchpad: 1 Reconnect the touchpad cables. 2 Replace the touchpad. 3 Replace the system board. Important Do not replace a non-defective FRU. After you use the touchpad, the pointer may drift on the screen for a short time. This self-acting pointer movement can occur when a slight, steady pressure is applied to the touchpad pointer. This symptom is not a hardware problem. No service actions are necessary if the pointer movement stops in a short period of time. 119